JPS5984268U - Internal combustion engine fuel injection system - Google Patents
Internal combustion engine fuel injection systemInfo
- Publication number
- JPS5984268U JPS5984268U JP17901282U JP17901282U JPS5984268U JP S5984268 U JPS5984268 U JP S5984268U JP 17901282 U JP17901282 U JP 17901282U JP 17901282 U JP17901282 U JP 17901282U JP S5984268 U JPS5984268 U JP S5984268U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- internal combustion
- combustion engine
- fuel
- metering
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Fuel-Injection Apparatus (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図面は本考案の実施例の要部を断面に示す構成説明図で
ある。
１はユニットインジェクタ、２・はノズル、３はニード
ル、３ａはばね、４は高圧室、５は調量室、７は逆止弁
、８は調量ピストン、１３は燃料流量 ・−可変吐出
ポンプ。The drawing is a configuration explanatory diagram showing a main part of an embodiment of the present invention in cross section. 1 is a unit injector, 2 is a nozzle, 3 is a needle, 3a is a spring, 4 is a high pressure chamber, 5 is a metering chamber, 7 is a check valve, 8 is a metering piston, 13 is a fuel flow rate - Variable discharge pump .
Claims (1)
を設け、上記受圧面に高圧の燃料を作用することにより
ニードル３をばね３ａに抗して開動作し、上記高圧の燃
料をノズル２から噴射するようにしたユニットインジェ
クタ１において、上記ニードル３の受圧面に対向する高
圧室４に連通ずる調量室５に、調量ピストン８を摺動自
在に、かつ一端面を調量室５内に対向させ、他端をドレ
ン回路に対向させて嵌合し、この調量ピストン８、
の他端に、エンジン回転に同調して回転するカム１１に
て移動することにより調量ピストン８を押動するブツシ
ュロッド９を対向させ、さらに上記調量室５に逆止弁７
を介しＳ燃料ポンプを接続したことを特徴とする内燃機
関の燃料噴射装置。A needle 3 having a pressure-receiving surface for opening at the opening of the nozzle 2
In the unit injector 1, the needle 3 is opened against the spring 3a by applying high pressure fuel to the pressure receiving surface, and the high pressure fuel is injected from the nozzle 2. A metering piston 8 is slidably fitted into the metering chamber 5 communicating with the high pressure chamber 4 facing the pressure receiving surface, with one end facing the metering chamber 5 and the other end facing the drain circuit. This metering piston 8,
A bushing rod 9 that pushes the metering piston 8 by moving with a cam 11 that rotates in synchronization with the engine rotation is opposed to the other end, and a check valve 7 is provided in the metering chamber 5.
1. A fuel injection device for an internal combustion engine, characterized in that an S fuel pump is connected to the fuel injection device via an S fuel pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17901282U JPS5984268U (en) | 1982-11-29 | 1982-11-29 | Internal combustion engine fuel injection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17901282U JPS5984268U (en) | 1982-11-29 | 1982-11-29 | Internal combustion engine fuel injection system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5984268U true JPS5984268U (en) | 1984-06-07 |
| JPS622295Y2 JPS622295Y2 (en) | 1987-01-20 |
Family
ID=30388499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17901282U Granted JPS5984268U (en) | 1982-11-29 | 1982-11-29 | Internal combustion engine fuel injection system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5984268U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5281425A (en) * | 1975-12-24 | 1977-07-07 | Bosch Gmbh Robert | Pump nozzle for fuel injection device of internal combustion engine |
| JPS5749030A (en) * | 1980-07-01 | 1982-03-20 | Bosch Gmbh Robert | Method of and apparatus for injecting fuel of internal combustion engine |
-
1982
- 1982-11-29 JP JP17901282U patent/JPS5984268U/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5281425A (en) * | 1975-12-24 | 1977-07-07 | Bosch Gmbh Robert | Pump nozzle for fuel injection device of internal combustion engine |
| JPS5749030A (en) * | 1980-07-01 | 1982-03-20 | Bosch Gmbh Robert | Method of and apparatus for injecting fuel of internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS622295Y2 (en) | 1987-01-20 |
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